Let me repeat myself.
The original 1984 Ghostbusters movie was squarely aimed at adults, and kids love what mom & dad enjoy. It was the 1986 Saturday morning cartoon plus all the toy tie-ins and breakfast cereal that "kiddie-fied" the Ghostbusters franchise.
The 1984 movie was so good, it beautifully sugar-coated its adult orientation. I'm posting here one of my favorite retrospective videos - see if you agree.